/*
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+#ifndef AVFORMAT_ASF_H
+#define AVFORMAT_ASF_H
+
+#include <stdint.h>
+#include "avformat.h"
+#include "metadata.h"
+
#define PACKET_SIZE 3200
typedef struct {
int64_t packet_pos;
+ uint16_t stream_language_index;
+
} ASFStream;
-typedef uint8_t GUID[16];
+typedef uint8_t ff_asf_guid[16];
typedef struct {
- GUID guid; ///< generated by client computer
+ ff_asf_guid guid; ///< generated by client computer
uint64_t file_size; /**< in bytes
* invalid if broadcasting */
uint64_t create_time; /**< time of creation, in 100-nanosecond units since 1.1.1601
uint64_t send_time; /**< time to send file, in 100-nanosecond units
* invalid if broadcasting (could be ignored) */
uint32_t preroll; /**< timestamp of the first packet, in milliseconds
- * if nonzero - substract from time */
+ * if nonzero - subtract from time */
uint32_t ignore; ///< preroll is 64bit - but let's just ignore it
uint32_t flags; /**< 0x01 - broadcast
* 0x02 - seekable
* invalid if broadcasting */
uint32_t max_pktsize; /**< shall be the same as for min_pktsize
* invalid if broadcasting */
- uint32_t max_bitrate; /**< bandwith of stream in bps
+ uint32_t max_bitrate; /**< bandwidth of stream in bps
* should be the sum of bitrates of the
* individual media streams */
} ASFMainHeader;
int asfid2avid[128]; ///< conversion table from asf ID 2 AVStream ID
ASFStream streams[128]; ///< it's max number and it's not that big
uint32_t stream_bitrates[128]; ///< max number of streams, bitrate for each (for streaming)
+ char stream_languages[128][6]; ///< max number of streams, language for each (RFC1766, e.g. en-US)
/* non streamed additonnal info */
uint64_t nb_packets; ///< how many packets are there in the file, invalid if broadcasting
int64_t duration; ///< in 100ns units
uint8_t packet_buf[PACKET_SIZE];
ByteIOContext pb;
/* only for reading */
- uint64_t data_offset; ///< begining of the first data packet
+ uint64_t data_offset; ///< beginning of the first data packet
uint64_t data_object_offset; ///< data object offset (excl. GUID & size)
uint64_t data_object_size; ///< size of the data object
int index_read;
ASFStream* asf_st; ///< currently decoded stream
} ASFContext;
-static const GUID asf_header = {
- 0x30, 0x26, 0xB2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C
-};
-
-static const GUID file_header = {
- 0xA1, 0xDC, 0xAB, 0x8C, 0x47, 0xA9, 0xCF, 0x11, 0x8E, 0xE4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65
-};
-
-static const GUID stream_header = {
- 0x91, 0x07, 0xDC, 0xB7, 0xB7, 0xA9, 0xCF, 0x11, 0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65
-};
-
-static const GUID ext_stream_header = {
- 0xCB, 0xA5, 0xE6, 0x14, 0x72, 0xC6, 0x32, 0x43, 0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A
-};
-
-static const GUID audio_stream = {
- 0x40, 0x9E, 0x69, 0xF8, 0x4D, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
-};
-
-static const GUID audio_conceal_none = {
- // 0x40, 0xa4, 0xf1, 0x49, 0x4ece, 0x11d0, 0xa3, 0xac, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6
- // New value lifted from avifile
- 0x00, 0x57, 0xfb, 0x20, 0x55, 0x5B, 0xCF, 0x11, 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b
-};
-
-static const GUID audio_conceal_spread = {
- 0x50, 0xCD, 0xC3, 0xBF, 0x8F, 0x61, 0xCF, 0x11, 0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20
-};
-
-static const GUID video_stream = {
- 0xC0, 0xEF, 0x19, 0xBC, 0x4D, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
-};
-
-static const GUID video_conceal_none = {
- 0x00, 0x57, 0xFB, 0x20, 0x55, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B
-};
-
-static const GUID command_stream = {
- 0xC0, 0xCF, 0xDA, 0x59, 0xE6, 0x59, 0xD0, 0x11, 0xA3, 0xAC, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6
-};
-
-static const GUID comment_header = {
- 0x33, 0x26, 0xb2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
-};
-
-static const GUID codec_comment_header = {
- 0x40, 0x52, 0xD1, 0x86, 0x1D, 0x31, 0xD0, 0x11, 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6
-};
-static const GUID codec_comment1_header = {
- 0x41, 0x52, 0xd1, 0x86, 0x1D, 0x31, 0xD0, 0x11, 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6
-};
-
-static const GUID data_header = {
- 0x36, 0x26, 0xb2, 0x75, 0x8E, 0x66, 0xCF, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c
-};
-
-static const GUID head1_guid = {
- 0xb5, 0x03, 0xbf, 0x5f, 0x2E, 0xA9, 0xCF, 0x11, 0x8e, 0xe3, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
-};
-
-static const GUID head2_guid = {
- 0x11, 0xd2, 0xd3, 0xab, 0xBA, 0xA9, 0xCF, 0x11, 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65
-};
-
-static const GUID extended_content_header = {
- 0x40, 0xA4, 0xD0, 0xD2, 0x07, 0xE3, 0xD2, 0x11, 0x97, 0xF0, 0x00, 0xA0, 0xC9, 0x5E, 0xA8, 0x50
-};
-
-static const GUID simple_index_header = {
- 0x90, 0x08, 0x00, 0x33, 0xB1, 0xE5, 0xCF, 0x11, 0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB
-};
-
-static const GUID ext_stream_embed_stream_header = {
- 0xe2, 0x65, 0xfb, 0x3a, 0xEF, 0x47, 0xF2, 0x40, 0xac, 0x2c, 0x70, 0xa9, 0x0d, 0x71, 0xd3, 0x43
-};
-
-static const GUID ext_stream_audio_stream = {
- 0x9d, 0x8c, 0x17, 0x31, 0xE1, 0x03, 0x28, 0x45, 0xb5, 0x82, 0x3d, 0xf9, 0xdb, 0x22, 0xf5, 0x03
-};
-
-static const GUID metadata_header = {
- 0xea, 0xcb, 0xf8, 0xc5, 0xaf, 0x5b, 0x77, 0x48, 0x84, 0x67, 0xaa, 0x8c, 0x44, 0xfa, 0x4c, 0xca
-};
-
-/* I am not a number !!! This GUID is the one found on the PC used to
- generate the stream */
-static const GUID my_guid = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
+extern const ff_asf_guid ff_asf_header;
+extern const ff_asf_guid ff_asf_file_header;
+extern const ff_asf_guid ff_asf_stream_header;
+extern const ff_asf_guid ff_asf_ext_stream_header;
+extern const ff_asf_guid ff_asf_audio_stream;
+extern const ff_asf_guid ff_asf_audio_conceal_none;
+extern const ff_asf_guid ff_asf_audio_conceal_spread;
+extern const ff_asf_guid ff_asf_video_stream;
+extern const ff_asf_guid ff_asf_video_conceal_none;
+extern const ff_asf_guid ff_asf_command_stream;
+extern const ff_asf_guid ff_asf_comment_header;
+extern const ff_asf_guid ff_asf_codec_comment_header;
+extern const ff_asf_guid ff_asf_codec_comment1_header;
+extern const ff_asf_guid ff_asf_data_header;
+extern const ff_asf_guid ff_asf_head1_guid;
+extern const ff_asf_guid ff_asf_head2_guid;
+extern const ff_asf_guid ff_asf_extended_content_header;
+extern const ff_asf_guid ff_asf_simple_index_header;
+extern const ff_asf_guid ff_asf_ext_stream_embed_stream_header;
+extern const ff_asf_guid ff_asf_ext_stream_audio_stream;
+extern const ff_asf_guid ff_asf_metadata_header;
+extern const ff_asf_guid ff_asf_my_guid;
+extern const ff_asf_guid ff_asf_language_guid;
+
+extern const AVMetadataConv ff_asf_metadata_conv[];
#define ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT 0x80 //1000 0000
#define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE 0xc0 //1100 0000
#define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000
+
+extern AVInputFormat asf_demuxer;
+
+/**
+ * Load a single ASF packet into the demuxer.
+ * @param s demux context
+ * @param pb context to read data from
+ * @returns 0 on success, <0 on error
+ */
+int ff_asf_get_packet(AVFormatContext *s, ByteIOContext *pb);
+
+/**
+ * Parse data from individual ASF packets (which were previously loaded
+ * with asf_get_packet()).
+ * @param s demux context
+ * @param pb context to read data from
+ * @param pkt pointer to store packet data into
+ * @returns 0 if data was stored in pkt, <0 on error or 1 if more ASF
+ * packets need to be loaded (through asf_get_packet())
+ */
+int ff_asf_parse_packet(AVFormatContext *s, ByteIOContext *pb, AVPacket *pkt);
+
+#endif /* AVFORMAT_ASF_H */
projects / frescor / ffmpeg.git / blobdiff